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Pulsed‐Laser Deposition of Barium Titanate Thin Films
Author(s) -
Norton M. Grant,
Cracknell Kathryn P. B.,
Carter C. Barry
Publication year - 1992
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1992.tb07234.x
Subject(s) - materials science , thin film , barium titanate , microstructure , pulsed laser deposition , laser ablation , ferroelectricity , deposition (geology) , mineralogy , crystal (programming language) , analytical chemistry (journal) , laser , composite material , optoelectronics , nanotechnology , dielectric , optics , ceramic , chemistry , sediment , computer science , paleontology , physics , chromatography , biology , programming language
Barium titanate (BaTiO 3 ) thin films have been deposited on single‐crystal magnesia (MgO) substrates by pulsed‐laser ablation. Temperature dependence of capacitance measurements show a peak of 110°C, indicative that a ferroelectric phase transition has occurred at this temperature. This value is lower than that determined for single‐crystal BaTiO 3 , but consistent with that found for BaTiO 3 thin films produced by other methods. It has been demonstrated that the microstructure of the films can be varied by changes in the deposition parameters. Optimizing these variations permits the formation of thin films with controlled microstructures and properties.